Bacteriologist turned venture capitalist cofounded Granite Global Ventures in 2000; one of first firms in China to invest in tech companies. Put money into China's e-commerce site Alibaba, sold 40% of the company to Yahoo for $1 billion in 2005. Believes Chinese market highly speculative, prefers focus on long term. Notable investments include Oculex (pharmaceuticals) and AAC (speaker and headset supplier).